1 ; RUN: opt -S -globals-aa -functionattrs < %s | FileCheck %s
2 ; RUN: opt -S -O3 < %s | FileCheck %s
4 ; Apart from checking for the direct cause of the bug, we also check
5 ; if any problematic aliasing rules have accidentally snuck into -O3.
7 ; Since the "abc" operand bundle is not a special operand bundle that
8 ; LLVM knows about, all of the stores and loads in @test below have to
11 declare void @foo() readnone
13 ; CHECK-LABEL: define i8* @test(i8* %p)
14 ; CHECK: %a = alloca i8*, align 8
15 ; CHECK: store i8* %p, i8** %a, align 8
16 ; CHECK: call void @foo() [ "abc"(i8** %a) ]
17 ; CHECK: %reload = load i8*, i8** %a, align 8
18 ; CHECK: ret i8* %reload
21 define i8* @test(i8* %p) {
22 %a = alloca i8*, align 8
23 store i8* %p, i8** %a, align 8
24 call void @foo() ["abc" (i8** %a)]
25 %reload = load i8*, i8** %a, align 8